Telephone base unit



FIG. 1 is a top perspective view of a telephone base unit of the present invention;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a first side view thereof;

FIG. 5 is a second side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken line showing of telephone base unit is included for the purpose of illustrating environment and forms no part of the claimed design. 

CLAIM We claim the ornamental design for a telephone base unit, as shown and described. 